#pragma once
#include <iostream>
#include <pthread.h>
#include <unistd.h>
#include <string>
#include <cstdio>

class Mutex
{
public:
    Mutex()
    {
        pthread_mutex_init(&_mutex, NULL);
    }
    ~Mutex()
    {
        pthread_mutex_destroy(&_mutex);
    }
    void Lock()
    {
        pthread_mutex_lock(&_mutex);
    }
    void UnLock()
    {
        pthread_mutex_unlock(&_mutex);
    }

private:
    pthread_mutex_t _mutex;
};
class MutexGuard
{
public:
    MutexGuard(Mutex &mutex)
        : _mutex(mutex)
    {
        _mutex.Lock();
    }
    ~MutexGuard()
    {
        _mutex.UnLock();
    }

private:
    Mutex &_mutex;
};